Chapter 25, Problem 5PE

Program Plan Intro

Validating the document using DTD

Program plan:

Filename: “BankParser.java”

• Include the required header files
• Define the class “BankParser”
  • Define the constructor
    • Create an object for the “DocumentBuilderFactory”.
    • Validating the document
    • Ignore the element content whitespace
    • Set the value
    • Create an object for “XPathFactory” class
    • Set the path
  • Define “parse” method
    • Create an object for “File”
    • Create an object for “Document”
    • Create an object for “Bank” class
    • Get the accounts
    • Iterate the “for” loop until it gets fail
      • Declare the variables and get the account numbers
      • Create an object for “BankAccount” class
      • Call the “addAccount” method with an argument
        • Return the value

Filename: “BankAccount.java”

• Define the class “BankAccount”
  • Declare the required variables
  • Define the constructor
    • Set the values
  • Define another constructor
    • Set the values
  • Define the “getAccountNumber” method
    • Return the value
  • Define the “deposit” method
    • Calculate the new balance
    • Set the balance
  • Define the “withdraw” method
    • Calculate the new balance
    • Set the balance
  • Define the “getBalance” method
    • Return the balance

Filename: “Bank.java”

• Include the required header files
• Define the class “Bank”
  • Declare the required variables
  • Define the constructor
    • Set the array list values to the variable
  • Define the “addAccount” method
    • Add the values
  • Define the “getTotalBalance” method
    • Declare the variable and set the value
    • Iterate the “for” loop
      • Calculate the total balance
        • Return the total amount
  • Define the “count” method
    • Declare the variable and set the value
    • Iterate the “for” loop
      • Check “getBalance” greater than or equal to “atLeast” value
        • Increment the value
        • • Return the value
  • Define the “find” methed
    • Check the “for” condition
      • Return the value
        • • Return the null value
  • Define the “getMaximum” method
    • Check the condition
      • Return the null value
        • • Create an object and the value
          • Iterate the “for” loop
            • Create an object for “BankAccount” class and set the value
              • Check the condition
                • Set the value
          • Return the largest value

Filename: “BankParserDemo.java”

• Define the class “BankParserDemo”
  • Define the “main” method
    • Create the objects for “BankParser” and “Bank” classes
    • Print the total balance